Alert archive / Alabama / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 239, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 16, 1998, 7:01 PM CDT for Colbert County, Alabama. It was in force for 34 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 16, 1998, 7:01 PM CDT (00:01 UTC)
- Expired
- Apr 16, 1998, 7:35 PM CDT
- In force
- 34 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Colbert County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 7:05 PM CDT | Hail 0.75 | Tuscumbia, AL | Dime size hail was reported near CR 24 and CR 48. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 16, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.0 hours before the alert went out and 194 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1586 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 645 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 336 m²/s²
- Significant tornado parameter
- 3.6
- Supercell composite
- 16.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 170000 RRB SVRBHM ALC033-170035- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 701 PM CDT THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... COLBERT COUNTY... IN NORTHERN ALABAMA * UNTIL 735 PM CDT * AT 659 PM CDT... A SEVERE THUNDERSTORM WAS SHOWN...BY WEATHER RADAR OVER EASTERN COLBERT COUNTY...BETWEEN TUSCUMBIA AND LITTLEVILLE. THIS STORM WAS MOVING EAST NORTHEAST AT 25 MILES PER HOUR. * THE SEVERE THUNDERSTORMS WILL BE NEAR...LEIGHTON BY 715 PM CDT. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. IF YOU ARE CAUGHT OUTSIDE... SEEK REFUGE FROM THE STORM IN A STRONG BUILDING. BOATERS ON AREA LAKES SHOULD TAKE SHELTER. DAMAGING WIND... LARGE HAIL... VERY HEAVY RAIN... AND DANGEROUS LIGHTNING ARE ALL LIKELY. DO NOT SEEK SHELTER UNDER TREES OR OTHER ISOLATED TALL OBJECTS. THESE ATTRACT LIGHTNING. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 7:01 PM CDT | Severe Thunderstorm Warning | BMX | Lawrence | 49 min |
| Apr 16, 7:11 PM CDT | Tornado Warning | BMX | Lamar | 49 min |
| Apr 16, 7:14 PM CDT | Severe Thunderstorm Warning | BMX | Lauderdale | 51 min |
| Apr 16, 7:35 PM CDT | Tornado Warning | BMX | Fayette | 45 min |
| Apr 16, 7:48 PM CDT | Tornado Warning | BMX | Limestone | 47 min |
| Apr 16, 8:03 PM CDT | Tornado Warning | BMX | Walker | 47 min |
| Apr 16, 8:14 PM CDT | Tornado Warning | BMX | Madison | 66 min |
| Apr 16, 8:29 PM CDT | Tornado Warning | BMX | Jackson | 61 min |
| Apr 16, 8:32 PM CDT | Tornado Warning | BMX | Winston | 48 min |
| Apr 16, 8:35 PM CDT | Tornado Warning | BMX | Cullman | 65 min |
| Apr 16, 8:36 PM CDT | Severe Thunderstorm Warning | BMX | Limestone | 34 min |
| Apr 16, 9:05 PM CDT | Tornado Warning | BMX | Blount | 60 min |
| Apr 16, 9:32 PM CDT | Tornado Warning | BMX | Etowah | 63 min |
| Apr 16, 9:34 PM CDT | Tornado Warning | BMX | Jackson | 36 min |
| Apr 16, 9:40 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 50 min |
| Apr 16, 9:43 PM CDT | Tornado Warning | BMX | St. Clair | 32 min |
| Apr 16, 10:05 PM CDT | Tornado Warning | BMX | Marshall | 35 min |
| Apr 16, 10:06 PM CDT | Tornado Warning | BMX | DeKalb | 64 min |
| Apr 16, 10:13 PM CDT | Tornado Warning | BMX | Cherokee | 47 min |
| Apr 16, 10:38 PM CDT | Severe Thunderstorm Warning | BMX | Marshall | 32 min |
| Apr 16, 11:07 PM CDT | Tornado Warning | BMX | DeKalb | 48 min |
| Apr 16, 11:25 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 50 min |
| Apr 17, 12:22 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 48 min |
| Apr 17, 12:26 AM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 44 min |
| Apr 17, 3:10 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 50 min |
| Apr 17, 6:08 PM CDT | Severe Thunderstorm Warning | BMX | Barbour | 47 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.